---
title: "JA Solar vs QN-SOLAR - Brand Comparison | ComparePV"
description: "Compare JA Solar vs QN-SOLAR solar panels: full portfolio, efficiency, cell technology breakdown, warranty terms and company background."
source: "https://comparepv.com/ja-solar-vs-qn-solar"
---

# JA Solar vs QN-SOLAR

JA Solar has the broader catalog (504 vs 0 models). JA Solar leans bifacial (47% of lineup).


## The two companies


| Attribute | JA Solar | QN-SOLAR |
| --- | --- | --- |
| Country | China | China |
| Headquarters | Beijing | Shanghai |
| Founded | 2005 | 2014 |
| Employees | 37,289 | 5000-10000 |
| Annual capacity | 100+ GW/year | 30-40 GW/year |
| Tier 1 | yes | no |
| Listed | SZSE: 002459 |  |
| Website | [https://www.jasolar.com](https://www.jasolar.com) | [https://www.qn-solarpv.com](https://www.qn-solarpv.com) |

JA Solar is a global leader in the manufacturing of high-performance photovoltaic products. Founded in 2005, the company designs, develops, manufactures, and sells solar cells and modules. JA Solar's products are used in ground-mounted power plants, commercial & industrial rooftop PV systems, and residential rooftop...

QN-SOLAR (Qn-SOLAR PV Limited) is a China-based integrated photovoltaic manufacturer with six production bases across China, specializing in N-TOPCon solar cells and modules. The company officially launched its global business in 2022 and has expanded into upstream and downstream PV production, reaching a combined...


## Catalog & Power


| Measure | JA Solar | QN-SOLAR | Margin |
| --- | --- | --- | --- |
| Panel Models | 504 | 0 | +504 |
| Max Power | 740 W | 0 W | +740 W |
| Avg Power | 456 W | 0 W | +456 W |


## Efficiency


| Measure | JA Solar | QN-SOLAR | Margin |
| --- | --- | --- | --- |
| Max Efficiency | 24.80% | - |  |
| Avg Efficiency | 21.13% | - |  |


## Reliability & Warranty


| Measure | JA Solar | QN-SOLAR | Margin |
| --- | --- | --- | --- |
| Avg Temp Coefficient | -0.322%/°C | - |  |
| Bifacial Share | 238 (47%) | 0 (0%) | +47 pp |
| Avg Warranty | 27.9 yrs | - |  |


## Efficiency distribution

JA Solar skews to higher efficiency: 15% of lineup is 23%+


| Efficiency band | JA Solar | QN-SOLAR |
| --- | --- | --- |
| \<20% | 112 (22.2%) | 0 |
| 20-21% | 99 (19.6%) | 0 |
| 21-22% | 112 (22.2%) | 0 |
| 22-23% | 107 (21.2%) | 0 |
| 23%+ | 74 (14.7%) | 0 |


## Power distribution

JA Solar offers more 600W+ panels (14% of lineup)


| Power band | JA Solar | QN-SOLAR |
| --- | --- | --- |
| \<400W | 142 (28.2%) | 0 |
| 400-499W | 173 (34.3%) | 0 |
| 500-599W | 120 (23.8%) | 0 |
| 600-699W | 60 (11.9%) | 0 |
| 700W+ | 9 (1.8%) | 0 |


## Cell technology

Dominant cell tech: **PERC** (49%)


| Technology | JA Solar | QN-SOLAR |
| --- | --- | --- |
| PERC | 247 (49.0%) | 0 |
| TOPCon | 146 (29.0%) | 0 |
| N-type | 90 (17.9%) | 0 |
| Unknown | 16 (3.2%) | 0 |
| HJT | 5 (1.0%) | 0 |


## Top panels, JA Solar


| # | Model | Power | Efficiency | Temp. coefficient | Technology |
| --- | --- | --- | --- | --- | --- |
| 1 | [JAM66D46-740/LB](https://comparepv.com/panel/ja-solar-jam66d46-740-lb) | 740 | 23.8 | -0.290 | Monocrystalline |
| 2 | [JAM66D46-735/LB](https://comparepv.com/panel/ja-solar-jam66d46-735-lb) | 735 | 23.7 | -0.290 | Monocrystalline |
| 3 | [JAM66D46-730/LB](https://comparepv.com/panel/ja-solar-jam66d46-730-lb) | 730 | 23.5 | -0.290 | Monocrystalline |
| 4 | [JAM66D46-725/LB](https://comparepv.com/panel/ja-solar-jam66d46-725-lb) | 725 | 23.3 | -0.290 | Monocrystalline |
| 5 | [JAM66D46-720/LB](https://comparepv.com/panel/ja-solar-jam66d46-720-lb) | 720 | 23.2 | -0.290 | Monocrystalline |
| 6 | [JAM66D46-715/LB](https://comparepv.com/panel/ja-solar-jam66d46-715-lb) | 715 | 23.0 | -0.290 | Monocrystalline |
| 7 | [JAM66D46-710/LB](https://comparepv.com/panel/ja-solar-jam66d46-710-lb) | 710 | 22.9 | -0.290 | Monocrystalline |
| 8 | [JAM66D46-705/LB](https://comparepv.com/panel/ja-solar-jam66d46-705-lb) | 705 | 22.7 | -0.290 | Monocrystalline |
| 9 | [JAM66D46-700/LB](https://comparepv.com/panel/ja-solar-jam66d46-700-lb) | 700 | 22.5 | -0.290 | Monocrystalline |
| 10 | [JAM66D46-695/LB](https://comparepv.com/panel/ja-solar-jam66d46-695-lb) | 695 | 22.4 | -0.290 | Monocrystalline |


## Summary

JA Solar, founded in 2005 and headquartered in China, is one of the world's largest solar module manufacturers, with a workforce exceeding 37,000 employees and a production capacity of over 100 GW. The company holds confirmed Tier 1 bankable status according to BloombergNEF and S&P Global Commodity Insights, along with an AAA rating from PV ModuleTech - reflecting broad acceptance by project finance lenders globally. It is listed on the Shenzhen Stock Exchange (SZSE), adding a layer of financial transparency. QN-SOLAR, founded in 2014 and headquartered in Shanghai, is a considerably younger and smaller manufacturer with a stated production capacity of 39 GW and a workforce of over 10,000. The company positions itself as an N-TOPCon specialist and formally entered the global module sales market in 2022. Notably, QN-SOLAR does not appear in the compared panel database with independently certified specifications, which limits direct quantitative comparison of its product portfolio against JA Solar.

JA Solar's portfolio of 524 panel models covers a broad spectrum of applications. The PERC-based Deep Blue 3.0 series targets cost-sensitive residential rooftop installs, while the TOPCon-based Deep Blue 4.0 series addresses higher-efficiency commercial C&I and utility-scale ground-mount projects. Maximum power reaches 740 Wp with a peak efficiency of 24.4%, average panel power sits at approximately 442 Wp, and the average temperature coefficient of Pmax of -0.32%/°C indicates solid thermal performance in variable climates. JA Solar earned Top Performer status in the PVEL 2025 Scorecard for the tenth consecutive time, underscoring product reliability across independent testing. QN-SOLAR, as an N-TOPCon specialist, targets customers seeking higher-efficiency modules - with claimed efficiencies up to 23.0% and output in the 380-460 Wp range - making it a candidate for space-constrained commercial rooftops or premium residential projects where high efficiency per square meter is the primary driver.

For international buyers, JA Solar presents a substantially lower procurement risk profile: a 20-year operational track record, confirmed Tier 1 and AAA bankability ratings, a globally established service network, and an independently verified product lineup that supports project financing. QN-SOLAR represents an emerging alternative with a focused N-TOPCon technology proposition and potentially competitive pricing, but buyers should carefully verify its current bankability status with their financing institutions, assess regional after-sales service coverage, and request independent test data before committing to large-scale or financed deployments.

Written by claude-sonnet from the figures above.


## Other comparisons

- [JA Solar vs A.B. Energy](https://comparepv.com/ja-solar-vs-a-b-energy)
- [AE Solar vs QN-SOLAR](https://comparepv.com/ae-solar-vs-qn-solar)
- [JA Solar vs AEET](https://comparepv.com/ja-solar-vs-aeet)
- [AIKO vs QN-SOLAR](https://comparepv.com/aiko-vs-qn-solar)
- [JA Solar vs AKCOME](https://comparepv.com/ja-solar-vs-akcome)
- [ARTsolar vs QN-SOLAR](https://comparepv.com/artsolar-vs-qn-solar)


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Source: https://comparepv.com/ja-solar-vs-qn-solar

Not in this file, on the page: the distributions above drawn as charts.